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Título : Impact of oil and inulin content on the stability and rheological properties of mayonnaise-like emulsions processed by rotor-stator homogenisation or high pressure homogenisation (HPH)
Autor : Alvarez-Sabatel, Saioa; Martinez de Maranon, Inigo; Arboleya, Juan-Carlos
Citación : INNOVATIVE FOOD SCIENCE \& EMERGING TECHNOLOGIES, 2018, 48, 195-203
Resumen : Reduced-fat mayonnaise-like emulsions with varying oil (1.5, 20 and 52 wt\%) and inulin (0, 6 and 12 wt\%) contents were produced by rotor-stator (RS) homogenisation or additional high pressure homogenisation at 103 MPa (HPH). Emulsions were stored (180 days) and assessed by visual observation and by backscattering, rheological, colour and particle size distribution determinations. Results showed that long-term stable reduced fat emulsions can be achieved by inulin addition. RS homogenisation is only able to produce stable emulsions (non-creaming and/or non-sedimenting) for the highest tested oil (52 wt\%) or inulin (12 wt\%) concentrations. When emulsions stability allowed the comparison among RS and HPH samples (non-creamed or sedimented samples), the latest showed increased viscosities and solid-like behaviours. These patterns are similar to the ones showed by commercial and traditional full-fat mayonnaises. The combination of oil and inulin concentrations with HPH can be used to develop stable reduced-fat mayonnaise with a range of rheological properties. Industrial relevance: High pressure homogenisation (HPH) is an emerging technology with potential application for pasteurisation/sterilisation of liquid products. The results obtained in this study demonstrate this technology could also be suitable for the development of stable reduced-fat emulsions with a range of textures and including functional ingredients such as inulin. HPH also allows a significant reduction in the added inulin which could decrease the costs of production.
Palabras clave : High pressure homogenisation; Reduced-fat emulsion; Inulin; Oil content; TECHNOLOGICAL FUNCTIONALITY; TEXTURAL PROPERTIES; DAIRY DESSERTS; STORAGE; OLIGOFRUCTOSE; GUM; METHYLCELLULOSE; EMULSIFIER; XANTHAN; GELS
Fecha de publicación : 2018
Editorial : ELSEVIER SCI LTD
Tipo de documento: Article
Idioma: Inglés
DOI: 10.1016/j.ifset.2018.06.014
URI : http://dspace.azti.es/handle/24689/799
ISSN : 1466-8564
E-ISSN: 1878-5522
Patrocinador: Commission of the European Communities (EU project) [289536]
Basque Government (ELIKATEK)
Basque Government (GUTXIGANTZ)
Inaki Goenaga (FCT-IG) Technology Centres Foundation
Aparece en las tipos de publicación: Artículos científicos



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